Missing authorization in LocalNetworkAccess in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer… (CVE-2026-87557)
A missing authorization vulnerability in the LocalNetworkAccess component of Google Chrome prior to version 153.0.8010.36 allows a remote attacker who has compromised the renderer process to bypass system access restrictions using a crafted HTML page. The vulnerability is classified with medium severity by Chromium security. No CVSS score or patch information is currently provided.
AI Analysis
Technical Summary
CVE-2026-87557 describes a missing authorization issue in the LocalNetworkAccess feature of Google Chrome versions before 153.0.8010.36. This flaw enables a remote attacker, after compromising the renderer process, to circumvent system access controls by leveraging a specially crafted HTML page. The vulnerability is categorized under CWE-862 (Missing Authorization). There is no available CVSS score or vendor patch advisory at this time, and no known exploits in the wild have been reported.
Potential Impact
An attacker who has already compromised the renderer process in affected Chrome versions can bypass system access restrictions, potentially increasing the scope of their control or access within the local network environment. This could lead to unauthorized access to local network resources that would otherwise be restricted.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution with untrusted content and monitor official Google Chrome security advisories for updates.
Missing authorization in LocalNetworkAccess in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer… (CVE-2026-87557)
Description
A missing authorization vulnerability in the LocalNetworkAccess component of Google Chrome prior to version 153.0.8010.36 allows a remote attacker who has compromised the renderer process to bypass system access restrictions using a crafted HTML page. The vulnerability is classified with medium severity by Chromium security. No CVSS score or patch information is currently provided.
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87557 describes a missing authorization issue in the LocalNetworkAccess feature of Google Chrome versions before 153.0.8010.36. This flaw enables a remote attacker, after compromising the renderer process, to circumvent system access controls by leveraging a specially crafted HTML page. The vulnerability is categorized under CWE-862 (Missing Authorization). There is no available CVSS score or vendor patch advisory at this time, and no known exploits in the wild have been reported.
Potential Impact
An attacker who has already compromised the renderer process in affected Chrome versions can bypass system access restrictions, potentially increasing the scope of their control or access within the local network environment. This could lead to unauthorized access to local network resources that would otherwise be restricted.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution with untrusted content and monitor official Google Chrome security advisories for updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-6jp2-wmg8-c98h
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87557"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6aa15f93acd9273b49618bbb
Added to database: 09/09/2026, 13:30:59 UTC
Last enriched: 09/09/2026, 14:12:20 UTC
Last updated: 09/09/2026, 18:51:59 UTC
Views: 3
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